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LOVE2D Touchscreen Arrow Key Area Buttons Implementation (CC0) Video tutorial: https://youtu.be/sArl6wypDfY
-- code by Iwan 'qubodup' Gabovitch
-- licesnse/terms: public domain (cc0)
-- meaning do what you want, no credit needed, you can delete this text too
-- video tutorial: https://youtu.be/sArl6wypDfY
-- you can make a bee.png from https://openclipart.org/detail/215877/cartoon-bee
function love.load()
gw = love.graphics.getWidth() -- game width
gwp = gw/10 -- game widht "part"
gh=love.graphics.getHeight()
ghp = gh/10 -- game height "part"
b = { -- buttons
l = {gwp, ghp*2, gwp, ghp*6, 0}, -- left (left edge, top edge, width, height, timer)
r = {gwp*8, ghp*2, gwp, ghp*6, 0}, -- right
t = {gwp*2, ghp, gwp*6, ghp, 0}, -- top
b = {gwp*2, ghp*8, gwp*6, ghp, 0} -- bottom
}
freq = 0.25 -- how many seconds until "button" can be pressed again, also visual aid
-- sample player
p = { gw/2, gh/2, love.graphics.newImage('bee.png') }
-- sample player
end
function love.draw()
-- draw buttons
for i,v in pairs(b) do
opacity = 100 + v[5] * 400 -- change opacity over time to indicate
love.graphics.setColor(255,255,255,opacity)
love.graphics.rectangle("fill",v[1],v[2],v[3],v[4])
end
-- sample player
love.graphics.setColor(255,255,255)
love.graphics.draw(p[3],p[1],p[2],0,1,1,40,40)
-- sample player
end
function love.update(dt)
for i,v in pairs(b) do
if v[5] > 0 then
b[i][5] = v[5] - dt
else
b[i][5] = 0
end
end
end
function love.keypressed(key)
if key == "up" then
p[2] = p[2] - 10
elseif key == "down" then
p[2] = p[2] + 10
elseif key == "right" then
p[1] = p[1] + 10
elseif key == "left" then
p[1] = p[1] - 10
end
end
function love.mousepressed(mx,my)
for i,v in pairs(b) do
-- check collision and restrict allowed repeat click speed
if mx >= v[1] and mx <= v[1]+v[3] and my >= v[2] and my <= v[2] + v[4] and v[5] == 0 then
b[i][5] = freq
if i == "t" then
-- do what uparrow does
elseif i == "l" then
-- do what leftarrow does
elseif i == "b" then
-- do what downarrow does
elseif i == "r" then
-- do what rightarrow does
end
end
end
end
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